Secret Key

Secret Key
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A Secret Key is a cryptographic key that is used for both encryption and decryption, enabling the operation of a symmetric key cryptography scheme. Also, a cryptographic algorithm that uses a single key (i.e., a secret key) for both encryption of plaintext and decryption of ciphertext.

Related Term: Symmetric Key

Antonym Terms: Public Key Encryption, Public Key

Source: CNSSI 4009

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